In the following equation $${(x - h)^2} = 4a(y - k),$$ the graph of parabola opens:

• A) Right
• B) Down
• C) Left
• D) Up

In the following equation $${(x - h)^2} = - 4a(y - k),$$ the graph of parabola opens:

• A) Left
• B) Down
• C) Right
• D) Up

If 200 and v0 are the angle and velocity of projection respectively, then the horizontal range of the projectile is ……

• A) (v0)2/g
• B) (v0)/g
• C) (v0)2g
• D) (v0)g

The velocity with which the particle is projected is called the …… of the projection.

• A) none of these
• B) velocity
• C) acceleration
• D) angle

If 10ft/s is the velocity of the projection, then the maximum horizontal range is ……

• A) 100*32
• B) 100/32
• C) 10*32
• D) 10/32

What is the standard form of a parabola that opens right, if its vertex is (h,k)?

• A) $${x^2} = 4ay$$
• B) $${(y - k)^2} = -4a(x - h)$$
• C) $${(x - h)^2} = 4a(y - k)$$
• D) $${(y - k)^2} = 4a(x - h)$$

Which of the following is not considered as a projectile?

• A) A football kicked during a game
• B) A tennis ball thrown across a court
• C) A baseball in mid-air after being hit
• D) A duck flying using its wings

If a particle is projected making a certain angle with horizontal into air with a certain velocity or dropped from a moving plane then it is called a …….

• A) cirlce
• B) projectile
• C) straight line
• D) hyperbola

Which factor is essential for accurately hitting a distant target with a projectile?

• A) Firing at a specific angle to account for the curved path
• B) Firing in a straight line toward the target
• C) Reducing the gravitational pull
• D) Increasing the size of the projectile

The distance covered along horizontal direction by the projectile from point of projection to the point where the projectile strikes the ground is called the ….

• A) horizontal velocity
• B) horizontal range
• C) vertical range
• D) none of these

In the equation of path of projectile y=xtanx, is the ------.

• A) final velocity
• B) none of these
• C) terminal velocity
• D) projection of velocity

The vertex of a parabola represents which of the following in projectile motion?

• A) The final position
• B) The distance between initial and final position
• C) The maximum height
• D) The initial position

If a parabola is represented by $${\left( {y - k} \right)^2} = - 4a\left( {x - h} \right),$$ what is the direction of its opening?

• A) Downward
• B) Leftward
• C) Upward
• D) Rightward

The horizontal range of a projectile is maximum if angle of projection is…….

• A) 15 degrees
• B) 45 degrees
• C) 30 degrees
• D) 60 degrees

The maximum horizontal range of a projectile is 100ft, the velocity of the projection is-----.

• A) 3.6ft/sec
• B) 56.57ft/sec
• C) 4.6ft/sec
• D) 5.6ft/sec

In a conservative field, the total energy of a particle through the motion

• A) does not remain constant
• B) remains constant
• C) none of these
• D) varies rapidly

The central force is ---------- if it is directed towards the centre.

• A) attractive
• B) not attractive
• C) repulsive
• D) none of these

If 450and v0 are the angle and velocity of projection respectively, then the time of flight of the projectile is ……

• A) ${\sqrt 2 {v_0}}*{g}$
• B) ${v_0}*{g}$
• C) ${{\sqrt 2 {v_0}}}$
• D) $\frac{{\sqrt 2 {v_0}}}{g}$

If 450and 20 are the angle and velocity of projection respectively, then the time of flight of the projectile is ……

• A) 20g
• B) $\frac{{20\sqrt 2 }}{g}$
• C) ${{20\sqrt 2 }}$
• D) ${{20\sqrt 2 }}{g}$

The maximum horizontal range of a projectile is 80ft, the velocity of the projection is-----.

• A) 40.2 ft/s
• B) 35 ft/s
• C) 45.5 ft/s
• D) 50.6 ft/s